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Description of the electrical connections
Terminal block identification
IN = input, OUT = output
No.
Terminal
Type
Function
Comment
-
PE
IN
Mains – Protective earth (5 x)
Only with mains 115 / 230 V !
-
-
N
L
IN
Mains, N = Neutral
Mains, L = Live
Mains input
230 - 240 V AC
-
-
n
l
OUT
Neutral, switched (8 x)
Live, switched (8 x)
Mains voltage, max. 4 A
1
2
Flush
OUT
External flush valve
Volt-free relay output
max. load 240 V AC, 4 A
3
4
5
LV1
OUT
Limit value output 1 – Normally closed
Limit value output 1 – Normally open
Limit value output 1 – Common
Volt-free relay output
max. load 240 V AC, 4 A
6
7
8
LV2
OUT
Limit value output 2 – Normally closed
Limit value output 2 – Normally open
Limit value output 2 – Common
Volt-free relay output
max. load 240 V AC, 4 A
9
10
11
Measuring
points 1/2
OUT
Measuring point 1 – Normally closed
Measuring point 1 – Normally open
Measuring point switch-over - Common
Volt-free relay output
max. load 240 V AC, 4 A
12
13
AUX
OUT
Universal output
Volt-free relay output
max. load 240 V AC, 4 A
14
15
16
Alarm
OUT
Fault message output – Normally closed
Fault message output – Normally open
Fault message output – Common
Volt-free relay output
max. load 240 V AC, 4 A
17
18
19
Maintenance
OUT
Maintenance message – Normally closed
Maintenance message – Normally open
Maintenance message – Common
Volt-free relay output
max. load 240 V AC, 4 A
20
21
Start
┴
IN
External analysis start
Common earth for inputs
Only for volt-free normally open
contact!
22
23
Stop
┴
IN
External analysis stop
Common earth for inputs
Only for volt-free normally
open/normally closed contact!
24
25
IN1
┴
IN
External measuring point switch-over
Common earth for inputs
Only for volt-free normally
open/normally closed
contact!
26
27
IN2
┴
IN
Universal input 2 (water meter)
Common earth for inputs
Only for volt-free normally open
contact!
28
29
OUT
┴
OUT
0/4 - 20 mA or serial interface
Non floating output!
28 = 0/4 - 20 mA, 29 =
┴
